Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
502 AM CST Tue Dec 9 2025
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-101115-
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
502 AM CST Tue Dec 9 2025 /602 AM EST Tue Dec 9 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Today and Tonight.
Weather hazards expected...
Limited Ice Accumulation Risk early evening.
Limited Non-Thunderstorm Wind Risk tonight.
DISCUSSION...
A brief period of light freezing rain may result in slippery
travel conditions early this evening, mainly in areas north of a
Dixon to McHenry, IL line. Southwesterly to westerly winds will
strengthen tonight and may gust to 40 mph at times.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Wednesday...
Elevated Non Thunderstorm Wind Risk.
Limited Snow Risk.
Thursday night through Saturday...
Limited Snow Risk.
Saturday morning and Sunday morning...
Limited to Elevated Excessive Cold Risk.
DISCUSSION...
Gusty snow showers and squalls may lead to hazardous travel
Wednesday morning.
Additional periods of accumulating snow will be possible late
Thursday through Saturday.
Bitterly cold wind chills as low as 15 to 25 below zero are
forecast Saturday morning and again Sunday morning.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
$$
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
502 AM CST Tue Dec 9 2025
LMZ740>745-101115-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
502 AM CST Tue Dec 9 2025
This Hazardous Weather Outlook is for portions of the Illinois
nearshore waters of Lake Michigan and the Indiana nearshore
waters of Lake Michigan.
.DAY ONE...Today and Tonight.
Weather hazards expected...
Hazardous conditions for small craft through this afternoon.
Gale force winds and very hazardous waves tonight.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Wednesday...
Gale force winds and very hazardous waves.
Thursday through Sunday...
Hazardous conditions for small craft are likely.
Friday and Saturday...
Elevated Freezing Spray Risk.
$$
Petr
Visit us at www.weather.gov/chicago
Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
457 AM CST Tue Dec 9 2025
LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-101100-
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of lake.-
Lake Michigan from Seul Choix Point to Rock Island Passage 5NM
offshore to Mid Lake-
Lake Michigan South of a line from Seul Choix Point to the
Mackinac Bridge and North of a line from Charlevoix MI to South
Fox Island 5NM offshore-
Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to
mid lake-
Lake Michigan from Point Betsie to Manistee MI 5NM offshore to
Mid Lake-
Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM
offshore to mid lake-
Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to
Mid Lake-
Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid
Lake-
Lake Michigan from Sheboygan to Port Washington WI 5NM offshore
to Mid Lake-
Lake Michigan from Port Washington to North Point Light WI 5NM
offshore to Mid Lake-
Lake Michigan from North Point Light to Wind Point WI 5NM
offshore to Mid Lake-
Lake Michigan from Wind Point WI to Winthrop Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Wilmette Harbor to Michigan City in 5NM
offshore to Mid Lake-
Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid
Lake-
Lake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid
Lake-
Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to
Mid Lake-
Lake Michigan from Holland to Grand Haven MI 5NM offshore to Mid
Lake-
Lake Michigan from South Haven to Holland MI 5NM offshore to Mid
lake-
Lake Michigan from St Joseph to South Haven MI 5NM offshore to
Mid Lake-
457 AM CST Tue Dec 9 2025
This Hazardous Weather Outlook is for the open waters of Lake Michigan.
.DAY ONE...Today and Tonight
Gale force winds are expected across the southern third of the
lake mid-evening and overnight.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday
Gale force winds are expected across the northern two-thirds of
the lake Wednesday.
Additional gales may occur Friday into Saturday. Freezing spray
may develop with these late week gales, as a colder airmass
settles into the region.
$$
www.weather.gov/mkx
Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
457 AM CST Tue Dec 9 2025
LMZ643>646-101100-
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
457 AM CST Tue Dec 9 2025
This Hazardous Weather Outlook is for the nearshore waters from
Sheboygan Wisconsin to Winthrop Harbor Illinois.
.DAY ONE...Today and Tonight
Small Craft Advisory conditions will continue through the morning
and then will return for this evening and overnight.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday
Additional rounds of gusty winds and high waves are expected
Wednesday and again late week into the weekend.
$$
Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
457 AM CST Tue Dec 9 2025
WIZ046-047-051-052-056>060-062>072-101100-
Marquette-Green Lake-Fond du Lac-Sheboygan-Sauk-Columbia-Dodge-
Washington-Ozaukee-Iowa-Dane-Jefferson-Waukesha-Milwaukee-
Lafayette-Green-Rock-Walworth-Racine-Kenosha-
457 AM CST Tue Dec 9 2025
This Hazardous Weather Outlook is for portions of east central
Wisconsin, south central Wisconsin and southeast Wisconsin.
.DAY ONE...Today and Tonight
A Winter Weather Advisory is in effect for portions of southern
Wisconsin for snow accumulations as well as the potential for some
freezing rain. This will bring impacts to travel Tuesday evening
into early Wednesday morning.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday
Additional rounds of snowfall are possible through the end of the
week, but confidence in timing is on the lower end.
An arctic airmass is expected this upcoming weekend, with wind
chills as cold as -15 to -25 for the overnight and early morning
hours.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed.
$$
Hazardous Weather Outlook
National Weather Service Quad Cities IA IL
455 AM CST Tue Dec 9 2025
IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-101100-
Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson-
Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-Louisa-Jefferson-
Henry IA-Des Moines-Van Buren-Lee-Jo Daviess-Stephenson-Carroll-
Whiteside-Rock Island-Henry IL-Bureau-Putnam-Mercer-Henderson-
Warren-Hancock-McDonough-Scotland-Clark-
455 AM CST Tue Dec 9 2025
This Hazardous Weather Outlook is for portions of north central
Illinois...northwest Illinois...west central Illinois...east
central Iowa...northeast Iowa...southeast Iowa and northeast
Missouri.
.DAY ONE...TODAY AND TONIGHT
A Winter Weather Advisory has been issued for areas mainly along
and north of a line from Cedar Rapids to Mount Carroll for
this evening, as a period of light freezing rain may lead to
slippery travel conditions for the evening commute.
Scattered snow showers will likely accompany a cold front overnight
through daybreak on Wednesday. The combination of snowfall and
strong, gusty winds potentially over 40 mph may result in brief,
significant reductions in visibility.
.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY
Strong northwest wind gusts of 45 mph or greater are possible
through midday on Wednesday.
There is a chance for snow Thursday and Thursday night. At this
time, snowfall amounts look to be light.
Windy conditions are expected Friday into Friday night as arctic
cold moves into the Midwest. Wind chills will approach and may
exceed 20 below zero across portions of the area Friday night and
Saturday night.
Another round of accumulating snow is possible Saturday.
.SPOTTER INFORMATION STATEMENT...
Spotter reports of snow and ice amounts and impacts are very appreciated.
$$
Hazardous Weather Outlook
National Weather Service Northern Indiana
553 AM EST Tue Dec 9 2025
INZ005>009-012>015-017-018-020-022>027-032>034-103-104-116-203-204-
216-MIZ078>081-177-277-OHZ001-002-004-005-015-016-024-025-101100-
Elkhart-Lagrange-Steuben-Noble-De Kalb-Starke-Pulaski-Marshall-
Fulton IN-Whitley-Allen IN-White-Cass IN-Miami-Wabash-Huntington-
Wells-Adams-Grant-Blackford-Jay-Northern La Porte-
Eastern St. Joseph IN-Northern Kosciusko-Southern La Porte-
Western St. Joseph IN-Southern Kosciusko-Cass MI-St. Joseph MI-
Branch-Hillsdale-Northern Berrien-Southern Berrien-Williams-
Fulton OH-Defiance-Henry-Paulding-Putnam-Van Wert-Allen OH-
553 AM EST Tue Dec 9 2025 /453 AM CST Tue Dec 9 2025/
This Hazardous Weather Outlook is for northern Indiana, southwest
Michigan and northwest Ohio.
.DAY ONE...Today and tonight.
A rain and snow mix tonight may begin with a brief period of
freezing rain.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Cold wind chill temperatures around zero to -15 degrees are expected
Saturday night and Sunday night.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
Hazardous Weather Outlook
National Weather Service Northern Indiana
553 AM EST Tue Dec 9 2025
LMZ043-046-101100-
New Buffalo MI to St Joseph MI-Michigan City IN to New Buffalo MI-
553 AM EST Tue Dec 9 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EST THIS EVENING...
...GALE WARNING IN EFFECT FROM 10 PM THIS EVENING TO 7 PM EST
WEDNESDAY...
This Hazardous Weather Outlook is for the nearshore waters of
southeastern Lake Michigan.
.DAY ONE...Today and tonight.
Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.
Small Craft Advisory.
Gale Warning.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.
Gale Warning.
Gale force wind gusts are possible Friday night into Saturday.
$$
Hazardous Weather Outlook
National Weather Service Grand Rapids MI
356 AM EST Tue Dec 9 2025
LMZ844>849-100900-
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-Grand Haven to Whitehall MI-
Whitehall to Pentwater MI-Pentwater to Manistee MI-
356 AM EST Tue Dec 9 2025
This hazardous weather outlook is for the nearshore waters from
St Joseph to Manistee.
.DAY ONE...Today and Tonight
Gales north of Pentwater subside around sunrise. Small Craft
conditions continue through today with southwest Gales developing
south of White Hall tonight.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday
Northwest gales develop Wednesday morning and afternoon. Small
Craft Advisory conditions are expected Wednesday night through at
least Thursday.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed.
$$
Hazardous Weather Outlook
National Weather Service Grand Rapids MI
356 AM EST Tue Dec 9 2025
MIZ037>040-043>046-050>052-056>059-064>067-071>074-100900-
Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon-
Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton-
Ingham-Van Buren-Kalamazoo-Calhoun-Jackson-
356 AM EST Tue Dec 9 2025
This hazardous weather outlook is for portions of southwest Lower
Michigan.
.DAY ONE...Today and Tonight
Snow will likely cause slick conditions this morning. A brief
period of freezing drizzle/light rain may develop this morning and
afternoon as snow ends. A light glaze of ice is possible.
Snow will spread in over the area tonight, and cause roads to
become or continue to be slick across the area. The snow will
continue across Central Lower with a few inches of accumulations
likely. Areas along and south of I-96 are likely see precipitation
change to rain.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday
Any rain transitions to snow Wednesday morning and afternoon
before dry conditions return Wednesday evening. Some lake effect
snow showers may linger along the lakeshore Wednesday night into
Thursday. Any roads that are wet will freeze up Wednesday night as
temperatures fall.
Additional periods of light snow are likely through the weekend
and could cause impacts to travel.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed.
$$
